289676556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 818315680

約数和(自身を除く): 528639124

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 73, 78, 117, 122, 139, 146, 156, 183, 219, 234, 244, 278, 292, 366, 417, 438, 468, 549, 556, 657, 732, 793, 834, 876, 949, 1098, 1251, 1314, 1586, 1668, 1807, 1898, 2196, 2379, 2502, 2628, 2847, 3172, 3614, 3796, 4453, 4758, 5004, 5421, 5694, 7137, 7228, 8479, 8541, 8906, 9516, 10147, 10842, 11388, 13359, 14274, 16263, 16958, 17082, 17812, 20294, 21684, 25437, 26718, 28548, 30441, 32526, 33916, 34164, 40077, 40588, 50874, 53436, 57889, 60882, 65052, 76311, 80154, 91323, 101748, 110227, 115778, 121764, 131911, 152622, 160308, 173667, 182646, 220454, 231556, 263822, 305244, 330681, 347334, 365292, 395733, 440908, 521001, 527644, 618967, 661362, 694668, 791466, 992043, 1042002, 1187199, 1237934, 1322724, 1582932, 1856901, 1984086, 2084004, 2374398, 2475868, 3713802, 3968172, 4748796, 5570703, 7427604, 8046571, 11141406, 16093142, 22282812, 24139713, 32186284, 48279426, 72419139, 96558852, 144838278, 289676556]

約数ペア:

[(1, 289676556), (2, 144838278), (3, 96558852), (4, 72419139), (6, 48279426), (9, 32186284), (12, 24139713), (13, 22282812), (18, 16093142), (26, 11141406), (36, 8046571), (39, 7427604), (52, 5570703), (61, 4748796), (73, 3968172), (78, 3713802), (117, 2475868), (122, 2374398), (139, 2084004), (146, 1984086), (156, 1856901), (183, 1582932), (219, 1322724), (234, 1237934), (244, 1187199), (278, 1042002), (292, 992043), (366, 791466), (417, 694668), (438, 661362), (468, 618967), (549, 527644), (556, 521001), (657, 440908), (732, 395733), (793, 365292), (834, 347334), (876, 330681), (949, 305244), (1098, 263822), (1251, 231556), (1314, 220454), (1586, 182646), (1668, 173667), (1807, 160308), (1898, 152622), (2196, 131911), (2379, 121764), (2502, 115778), (2628, 110227), (2847, 101748), (3172, 91323), (3614, 80154), (3796, 76311), (4453, 65052), (4758, 60882), (5004, 57889), (5421, 53436), (5694, 50874), (7137, 40588), (7228, 40077), (8479, 34164), (8541, 33916), (8906, 32526), (9516, 30441), (10147, 28548), (10842, 26718), (11388, 25437), (13359, 21684), (14274, 20294), (16263, 17812), (16958, 17082)]