1639596

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 4435200

約数和(自身を除く): 2795604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 149, 262, 298, 393, 447, 524, 596, 786, 894, 917, 1043, 1572, 1788, 1834, 2086, 2751, 3129, 3668, 4172, 5502, 6258, 11004, 12516, 19519, 39038, 58557, 78076, 117114, 136633, 234228, 273266, 409899, 546532, 819798, 1639596]

約数ペア:

[(1, 1639596), (2, 819798), (3, 546532), (4, 409899), (6, 273266), (7, 234228), (12, 136633), (14, 117114), (21, 78076), (28, 58557), (42, 39038), (84, 19519), (131, 12516), (149, 11004), (262, 6258), (298, 5502), (393, 4172), (447, 3668), (524, 3129), (596, 2751), (786, 2086), (894, 1834), (917, 1788), (1043, 1572)]