217419884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{631}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 428101632

約数和(自身を除く): 210681748

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 191, 382, 451, 631, 764, 902, 1262, 1804, 2101, 2524, 4202, 6941, 7831, 8404, 13882, 15662, 25871, 27764, 31324, 51742, 86141, 103484, 120521, 172282, 241042, 284581, 344564, 482084, 569162, 1138324, 1325731, 2651462, 4941361, 5302924, 9882722, 19765444, 54354971, 108709942, 217419884]

約数ペア:

[(1, 217419884), (2, 108709942), (4, 54354971), (11, 19765444), (22, 9882722), (41, 5302924), (44, 4941361), (82, 2651462), (164, 1325731), (191, 1138324), (382, 569162), (451, 482084), (631, 344564), (764, 284581), (902, 241042), (1262, 172282), (1804, 120521), (2101, 103484), (2524, 86141), (4202, 51742), (6941, 31324), (7831, 27764), (8404, 25871), (13882, 15662)]