161263908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 460882240

約数和(自身を除く): 299618332

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 67, 74, 78, 111, 117, 134, 139, 148, 156, 201, 222, 234, 268, 278, 333, 402, 417, 444, 468, 481, 556, 603, 666, 804, 834, 871, 962, 1206, 1251, 1332, 1443, 1668, 1742, 1807, 1924, 2412, 2479, 2502, 2613, 2886, 3484, 3614, 4329, 4958, 5004, 5143, 5226, 5421, 5772, 7228, 7437, 7839, 8658, 9313, 9916, 10286, 10452, 10842, 14874, 15429, 15678, 16263, 17316, 18626, 20572, 21684, 22311, 27939, 29748, 30858, 31356, 32227, 32526, 37252, 44622, 46287, 55878, 61716, 64454, 65052, 66859, 83817, 89244, 92574, 96681, 111756, 121069, 128908, 133718, 167634, 185148, 193362, 200577, 242138, 267436, 290043, 335268, 344581, 363207, 386724, 401154, 484276, 580086, 601731, 689162, 726414, 802308, 1033743, 1089621, 1160172, 1203462, 1378324, 1452828, 2067486, 2179242, 2406924, 3101229, 4134972, 4358484, 4479553, 6202458, 8959106, 12404916, 13438659, 17918212, 26877318, 40315977, 53754636, 80631954, 161263908]

約数ペア:

[(1, 161263908), (2, 80631954), (3, 53754636), (4, 40315977), (6, 26877318), (9, 17918212), (12, 13438659), (13, 12404916), (18, 8959106), (26, 6202458), (36, 4479553), (37, 4358484), (39, 4134972), (52, 3101229), (67, 2406924), (74, 2179242), (78, 2067486), (111, 1452828), (117, 1378324), (134, 1203462), (139, 1160172), (148, 1089621), (156, 1033743), (201, 802308), (222, 726414), (234, 689162), (268, 601731), (278, 580086), (333, 484276), (402, 401154), (417, 386724), (444, 363207), (468, 344581), (481, 335268), (556, 290043), (603, 267436), (666, 242138), (804, 200577), (834, 193362), (871, 185148), (962, 167634), (1206, 133718), (1251, 128908), (1332, 121069), (1443, 111756), (1668, 96681), (1742, 92574), (1807, 89244), (1924, 83817), (2412, 66859), (2479, 65052), (2502, 64454), (2613, 61716), (2886, 55878), (3484, 46287), (3614, 44622), (4329, 37252), (4958, 32526), (5004, 32227), (5143, 31356), (5226, 30858), (5421, 29748), (5772, 27939), (7228, 22311), (7437, 21684), (7839, 20572), (8658, 18626), (9313, 17316), (9916, 16263), (10286, 15678), (10452, 15429), (10842, 14874)]