28565784

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{3391}}^1$

素因数の和:3422

約数の個数: 80

約数和(自身を含む): 86190720

約数和(自身を除く): 57624936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 3391, 4212, 6782, 8424, 10173, 13564, 20346, 27128, 30519, 40692, 44083, 61038, 81384, 88166, 91557, 122076, 132249, 176332, 183114, 244152, 264498, 274671, 352664, 366228, 396747, 528996, 549342, 732456, 793494, 1057992, 1098684, 1190241, 1586988, 2197368, 2380482, 3173976, 3570723, 4760964, 7141446, 9521928, 14282892, 28565784]

約数ペア:

[(1, 28565784), (2, 14282892), (3, 9521928), (4, 7141446), (6, 4760964), (8, 3570723), (9, 3173976), (12, 2380482), (13, 2197368), (18, 1586988), (24, 1190241), (26, 1098684), (27, 1057992), (36, 793494), (39, 732456), (52, 549342), (54, 528996), (72, 396747), (78, 366228), (81, 352664), (104, 274671), (108, 264498), (117, 244152), (156, 183114), (162, 176332), (216, 132249), (234, 122076), (312, 91557), (324, 88166), (351, 81384), (468, 61038), (648, 44083), (702, 40692), (936, 30519), (1053, 27128), (1404, 20346), (2106, 13564), (2808, 10173), (3391, 8424), (4212, 6782)]