25555218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 57746304

約数和(自身を除く): 32191086

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 61, 78, 82, 122, 123, 131, 183, 246, 262, 366, 393, 533, 786, 793, 1066, 1586, 1599, 1703, 2379, 2501, 3198, 3406, 4758, 5002, 5109, 5371, 7503, 7991, 10218, 10742, 15006, 15982, 16113, 23973, 32226, 32513, 47946, 65026, 69823, 97539, 103883, 139646, 195078, 207766, 209469, 311649, 327631, 418938, 623298, 655262, 982893, 1965786, 4259203, 8518406, 12777609, 25555218]

約数ペア:

[(1, 25555218), (2, 12777609), (3, 8518406), (6, 4259203), (13, 1965786), (26, 982893), (39, 655262), (41, 623298), (61, 418938), (78, 327631), (82, 311649), (122, 209469), (123, 207766), (131, 195078), (183, 139646), (246, 103883), (262, 97539), (366, 69823), (393, 65026), (533, 47946), (786, 32513), (793, 32226), (1066, 23973), (1586, 16113), (1599, 15982), (1703, 15006), (2379, 10742), (2501, 10218), (3198, 7991), (3406, 7503), (4758, 5371), (5002, 5109)]