78438204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9859}}^1$

素因数の和:9899

約数の個数: 72

約数和(自身を含む): 226109520

約数和(自身を除く): 147671316

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, 3978, 7956, 9859, 19718, 29577, 39436, 59154, 88731, 118308, 128167, 167603, 177462, 256334, 335206, 354924, 384501, 502809, 512668, 670412, 769002, 1005618, 1153503, 1508427, 1538004, 2011236, 2178839, 2307006, 3016854, 4357678, 4614012, 6033708, 6536517, 8715356, 13073034, 19609551, 26146068, 39219102, 78438204]

約数ペア:

[(1, 78438204), (2, 39219102), (3, 26146068), (4, 19609551), (6, 13073034), (9, 8715356), (12, 6536517), (13, 6033708), (17, 4614012), (18, 4357678), (26, 3016854), (34, 2307006), (36, 2178839), (39, 2011236), (51, 1538004), (52, 1508427), (68, 1153503), (78, 1005618), (102, 769002), (117, 670412), (153, 512668), (156, 502809), (204, 384501), (221, 354924), (234, 335206), (306, 256334), (442, 177462), (468, 167603), (612, 128167), (663, 118308), (884, 88731), (1326, 59154), (1989, 39436), (2652, 29577), (3978, 19718), (7956, 9859)]