28315404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3559}}^1$

素因数の和:3599

約数の個数: 72

約数和(自身を含む): 81637920

約数和(自身を除く): 53322516

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3559, 3978, 7118, 7956, 10677, 14236, 21354, 32031, 42708, 46267, 60503, 64062, 92534, 121006, 128124, 138801, 181509, 185068, 242012, 277602, 363018, 416403, 544527, 555204, 726036, 786539, 832806, 1089054, 1573078, 1665612, 2178108, 2359617, 3146156, 4719234, 7078851, 9438468, 14157702, 28315404]

約数ペア:

[(1, 28315404), (2, 14157702), (3, 9438468), (4, 7078851), (6, 4719234), (9, 3146156), (12, 2359617), (13, 2178108), (17, 1665612), (18, 1573078), (26, 1089054), (34, 832806), (36, 786539), (39, 726036), (51, 555204), (52, 544527), (68, 416403), (78, 363018), (102, 277602), (117, 242012), (153, 185068), (156, 181509), (204, 138801), (221, 128124), (234, 121006), (306, 92534), (442, 64062), (468, 60503), (612, 46267), (663, 42708), (884, 32031), (1326, 21354), (1989, 14236), (2652, 10677), (3559, 7956), (3978, 7118)]