31974370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 63638784

約数和(自身を除く): 31664414

約数列:

[1, 2, 5, 10, 23, 43, 46, 53, 61, 86, 106, 115, 122, 215, 230, 265, 305, 430, 530, 610, 989, 1219, 1403, 1978, 2279, 2438, 2623, 2806, 3233, 4558, 4945, 5246, 6095, 6466, 7015, 9890, 11395, 12190, 13115, 14030, 16165, 22790, 26230, 32330, 52417, 60329, 74359, 104834, 120658, 139019, 148718, 262085, 278038, 301645, 371795, 524170, 603290, 695095, 743590, 1390190, 3197437, 6394874, 15987185, 31974370]

約数ペア:

[(1, 31974370), (2, 15987185), (5, 6394874), (10, 3197437), (23, 1390190), (43, 743590), (46, 695095), (53, 603290), (61, 524170), (86, 371795), (106, 301645), (115, 278038), (122, 262085), (215, 148718), (230, 139019), (265, 120658), (305, 104834), (430, 74359), (530, 60329), (610, 52417), (989, 32330), (1219, 26230), (1403, 22790), (1978, 16165), (2279, 14030), (2438, 13115), (2623, 12190), (2806, 11395), (3233, 9890), (4558, 7015), (4945, 6466), (5246, 6095)]