31374252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 99840832

約数和(自身を除く): 68466580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 61, 63, 78, 84, 91, 117, 122, 126, 156, 157, 182, 183, 234, 244, 252, 273, 314, 364, 366, 427, 468, 471, 546, 549, 628, 732, 793, 819, 854, 942, 1092, 1098, 1099, 1281, 1413, 1586, 1638, 1708, 1884, 2041, 2196, 2198, 2379, 2562, 2826, 3172, 3276, 3297, 3843, 4082, 4396, 4758, 5124, 5551, 5652, 6123, 6594, 7137, 7686, 8164, 9516, 9577, 9891, 11102, 12246, 13188, 14274, 14287, 15372, 16653, 18369, 19154, 19782, 22204, 24492, 28548, 28574, 28731, 33306, 36738, 38308, 39564, 42861, 49959, 57148, 57462, 66612, 67039, 73476, 85722, 86193, 99918, 114924, 124501, 128583, 134078, 171444, 172386, 199836, 201117, 249002, 257166, 268156, 344772, 373503, 402234, 498004, 514332, 603351, 747006, 804468, 871507, 1120509, 1206702, 1494012, 1743014, 2241018, 2413404, 2614521, 3486028, 4482036, 5229042, 7843563, 10458084, 15687126, 31374252]

約数ペア:

[(1, 31374252), (2, 15687126), (3, 10458084), (4, 7843563), (6, 5229042), (7, 4482036), (9, 3486028), (12, 2614521), (13, 2413404), (14, 2241018), (18, 1743014), (21, 1494012), (26, 1206702), (28, 1120509), (36, 871507), (39, 804468), (42, 747006), (52, 603351), (61, 514332), (63, 498004), (78, 402234), (84, 373503), (91, 344772), (117, 268156), (122, 257166), (126, 249002), (156, 201117), (157, 199836), (182, 172386), (183, 171444), (234, 134078), (244, 128583), (252, 124501), (273, 114924), (314, 99918), (364, 86193), (366, 85722), (427, 73476), (468, 67039), (471, 66612), (546, 57462), (549, 57148), (628, 49959), (732, 42861), (793, 39564), (819, 38308), (854, 36738), (942, 33306), (1092, 28731), (1098, 28574), (1099, 28548), (1281, 24492), (1413, 22204), (1586, 19782), (1638, 19154), (1708, 18369), (1884, 16653), (2041, 15372), (2196, 14287), (2198, 14274), (2379, 13188), (2562, 12246), (2826, 11102), (3172, 9891), (3276, 9577), (3297, 9516), (3843, 8164), (4082, 7686), (4396, 7137), (4758, 6594), (5124, 6123), (5551, 5652)]