291223348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{937}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 566251840

約数和(自身を除く): 275028492

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 139, 172, 278, 556, 559, 937, 1118, 1807, 1874, 2236, 3614, 3748, 5977, 7228, 11954, 12181, 23908, 24362, 40291, 48724, 77701, 80582, 130243, 155402, 161164, 260486, 310804, 520972, 523783, 1047566, 1693159, 2095132, 3386318, 5600449, 6772636, 11200898, 22401796, 72805837, 145611674, 291223348]

約数ペア:

[(1, 291223348), (2, 145611674), (4, 72805837), (13, 22401796), (26, 11200898), (43, 6772636), (52, 5600449), (86, 3386318), (139, 2095132), (172, 1693159), (278, 1047566), (556, 523783), (559, 520972), (937, 310804), (1118, 260486), (1807, 161164), (1874, 155402), (2236, 130243), (3614, 80582), (3748, 77701), (5977, 48724), (7228, 40291), (11954, 24362), (12181, 23908)]