28400712

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 74649600

約数和(自身を除く): 46248888

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 59, 62, 93, 118, 124, 177, 186, 236, 248, 354, 372, 472, 647, 708, 744, 1294, 1416, 1829, 1941, 2588, 3658, 3882, 5176, 5487, 7316, 7764, 10974, 14632, 15528, 20057, 21948, 38173, 40114, 43896, 60171, 76346, 80228, 114519, 120342, 152692, 160456, 229038, 240684, 305384, 458076, 481368, 916152, 1183363, 2366726, 3550089, 4733452, 7100178, 9466904, 14200356, 28400712]

約数ペア:

[(1, 28400712), (2, 14200356), (3, 9466904), (4, 7100178), (6, 4733452), (8, 3550089), (12, 2366726), (24, 1183363), (31, 916152), (59, 481368), (62, 458076), (93, 305384), (118, 240684), (124, 229038), (177, 160456), (186, 152692), (236, 120342), (248, 114519), (354, 80228), (372, 76346), (472, 60171), (647, 43896), (708, 40114), (744, 38173), (1294, 21948), (1416, 20057), (1829, 15528), (1941, 14632), (2588, 10974), (3658, 7764), (3882, 7316), (5176, 5487)]