82120428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{773}}^1$

素因数の和:1023

約数の個数: 72

約数和(自身を含む): 224825328

約数和(自身を除く): 142704900

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 227, 234, 454, 468, 681, 773, 908, 1362, 1546, 2043, 2319, 2724, 2951, 3092, 4086, 4638, 5902, 6957, 8172, 8853, 9276, 10049, 11804, 13914, 17706, 20098, 26559, 27828, 30147, 35412, 40196, 53118, 60294, 90441, 106236, 120588, 175471, 180882, 350942, 361764, 526413, 701884, 1052826, 1579239, 2105652, 2281123, 3158478, 4562246, 6316956, 6843369, 9124492, 13686738, 20530107, 27373476, 41060214, 82120428]

約数ペア:

[(1, 82120428), (2, 41060214), (3, 27373476), (4, 20530107), (6, 13686738), (9, 9124492), (12, 6843369), (13, 6316956), (18, 4562246), (26, 3158478), (36, 2281123), (39, 2105652), (52, 1579239), (78, 1052826), (117, 701884), (156, 526413), (227, 361764), (234, 350942), (454, 180882), (468, 175471), (681, 120588), (773, 106236), (908, 90441), (1362, 60294), (1546, 53118), (2043, 40196), (2319, 35412), (2724, 30147), (2951, 27828), (3092, 26559), (4086, 20098), (4638, 17706), (5902, 13914), (6957, 11804), (8172, 10049), (8853, 9276)]