15857772

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 43570800

約数和(自身を除く): 27713028

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 149, 181, 196, 294, 298, 362, 447, 543, 588, 596, 724, 894, 1043, 1086, 1267, 1788, 2086, 2172, 2534, 3129, 3801, 4172, 5068, 6258, 7301, 7602, 8869, 12516, 14602, 15204, 17738, 21903, 26607, 26969, 29204, 35476, 43806, 53214, 53938, 80907, 87612, 106428, 107876, 161814, 188783, 323628, 377566, 566349, 755132, 1132698, 1321481, 2265396, 2642962, 3964443, 5285924, 7928886, 15857772]

約数ペア:

[(1, 15857772), (2, 7928886), (3, 5285924), (4, 3964443), (6, 2642962), (7, 2265396), (12, 1321481), (14, 1132698), (21, 755132), (28, 566349), (42, 377566), (49, 323628), (84, 188783), (98, 161814), (147, 107876), (149, 106428), (181, 87612), (196, 80907), (294, 53938), (298, 53214), (362, 43806), (447, 35476), (543, 29204), (588, 26969), (596, 26607), (724, 21903), (894, 17738), (1043, 15204), (1086, 14602), (1267, 12516), (1788, 8869), (2086, 7602), (2172, 7301), (2534, 6258), (3129, 5068), (3801, 4172)]