215407544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1321}}^1$

素因数の和:1464

約数の個数: 64

約数和(自身を含む): 471160800

約数和(自身を除く): 255753256

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 109, 136, 187, 218, 374, 436, 748, 872, 1199, 1321, 1496, 1853, 2398, 2642, 3706, 4796, 5284, 7412, 9592, 10568, 14531, 14824, 20383, 22457, 29062, 40766, 44914, 58124, 81532, 89828, 116248, 143989, 163064, 179656, 247027, 287978, 494054, 575956, 988108, 1151912, 1583879, 1976216, 2447813, 3167758, 4895626, 6335516, 9791252, 12671032, 19582504, 26925943, 53851886, 107703772, 215407544]

約数ペア:

[(1, 215407544), (2, 107703772), (4, 53851886), (8, 26925943), (11, 19582504), (17, 12671032), (22, 9791252), (34, 6335516), (44, 4895626), (68, 3167758), (88, 2447813), (109, 1976216), (136, 1583879), (187, 1151912), (218, 988108), (374, 575956), (436, 494054), (748, 287978), (872, 247027), (1199, 179656), (1321, 163064), (1496, 143989), (1853, 116248), (2398, 89828), (2642, 81532), (3706, 58124), (4796, 44914), (5284, 40766), (7412, 29062), (9592, 22457), (10568, 20383), (14531, 14824)]