1721816964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{457}}^1\times {\mathrm{14951}}^1$

素因数の和:15425

約数の個数: 72

約数和(自身を含む): 4985355648

約数和(自身を除く): 3263538684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 457, 914, 1371, 1828, 2742, 3199, 4113, 5484, 6398, 8226, 9597, 12796, 14951, 16452, 19194, 28791, 29902, 38388, 44853, 57582, 59804, 89706, 104657, 115164, 134559, 179412, 209314, 269118, 313971, 418628, 538236, 627942, 941913, 1255884, 1883826, 3767652, 6832607, 13665214, 20497821, 27330428, 40995642, 47828249, 61493463, 81991284, 95656498, 122986926, 143484747, 191312996, 245973852, 286969494, 430454241, 573938988, 860908482, 1721816964]

約数ペア:

[(1, 1721816964), (2, 860908482), (3, 573938988), (4, 430454241), (6, 286969494), (7, 245973852), (9, 191312996), (12, 143484747), (14, 122986926), (18, 95656498), (21, 81991284), (28, 61493463), (36, 47828249), (42, 40995642), (63, 27330428), (84, 20497821), (126, 13665214), (252, 6832607), (457, 3767652), (914, 1883826), (1371, 1255884), (1828, 941913), (2742, 627942), (3199, 538236), (4113, 418628), (5484, 313971), (6398, 269118), (8226, 209314), (9597, 179412), (12796, 134559), (14951, 115164), (16452, 104657), (19194, 89706), (28791, 59804), (29902, 57582), (38388, 44853)]