205621164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{3659}}^1$

素因数の和:3899

約数の個数: 72

約数和(自身を含む): 596843520

約数和(自身を除く): 391222356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 223, 252, 446, 669, 892, 1338, 1561, 2007, 2676, 3122, 3659, 4014, 4683, 6244, 7318, 8028, 9366, 10977, 14049, 14636, 18732, 21954, 25613, 28098, 32931, 43908, 51226, 56196, 65862, 76839, 102452, 131724, 153678, 230517, 307356, 461034, 815957, 922068, 1631914, 2447871, 3263828, 4895742, 5711699, 7343613, 9791484, 11423398, 14687226, 17135097, 22846796, 29374452, 34270194, 51405291, 68540388, 102810582, 205621164]

約数ペア:

[(1, 205621164), (2, 102810582), (3, 68540388), (4, 51405291), (6, 34270194), (7, 29374452), (9, 22846796), (12, 17135097), (14, 14687226), (18, 11423398), (21, 9791484), (28, 7343613), (36, 5711699), (42, 4895742), (63, 3263828), (84, 2447871), (126, 1631914), (223, 922068), (252, 815957), (446, 461034), (669, 307356), (892, 230517), (1338, 153678), (1561, 131724), (2007, 102452), (2676, 76839), (3122, 65862), (3659, 56196), (4014, 51226), (4683, 43908), (6244, 32931), (7318, 28098), (8028, 25613), (9366, 21954), (10977, 18732), (14049, 14636)]