78867828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 237758976

約数和(自身を除く): 158891148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 23, 26, 34, 36, 39, 46, 51, 52, 68, 69, 78, 92, 102, 117, 138, 153, 156, 204, 207, 221, 234, 276, 299, 306, 391, 414, 431, 442, 468, 598, 612, 663, 782, 828, 862, 884, 897, 1173, 1196, 1293, 1326, 1564, 1724, 1794, 1989, 2346, 2586, 2652, 2691, 3519, 3588, 3879, 3978, 4692, 5083, 5172, 5382, 5603, 7038, 7327, 7758, 7956, 9913, 10166, 10764, 11206, 14076, 14654, 15249, 15516, 16809, 19826, 20332, 21981, 22412, 29308, 29739, 30498, 33618, 39652, 43962, 45747, 50427, 59478, 60996, 65943, 67236, 87924, 89217, 91494, 95251, 100854, 118956, 128869, 131886, 168521, 178434, 182988, 190502, 201708, 257738, 263772, 285753, 337042, 356868, 381004, 386607, 505563, 515476, 571506, 674084, 773214, 857259, 1011126, 1143012, 1159821, 1516689, 1546428, 1714518, 2022252, 2190773, 2319642, 3033378, 3429036, 4381546, 4639284, 6066756, 6572319, 8763092, 13144638, 19716957, 26289276, 39433914, 78867828]

約数ペア:

[(1, 78867828), (2, 39433914), (3, 26289276), (4, 19716957), (6, 13144638), (9, 8763092), (12, 6572319), (13, 6066756), (17, 4639284), (18, 4381546), (23, 3429036), (26, 3033378), (34, 2319642), (36, 2190773), (39, 2022252), (46, 1714518), (51, 1546428), (52, 1516689), (68, 1159821), (69, 1143012), (78, 1011126), (92, 857259), (102, 773214), (117, 674084), (138, 571506), (153, 515476), (156, 505563), (204, 386607), (207, 381004), (221, 356868), (234, 337042), (276, 285753), (299, 263772), (306, 257738), (391, 201708), (414, 190502), (431, 182988), (442, 178434), (468, 168521), (598, 131886), (612, 128869), (663, 118956), (782, 100854), (828, 95251), (862, 91494), (884, 89217), (897, 87924), (1173, 67236), (1196, 65943), (1293, 60996), (1326, 59478), (1564, 50427), (1724, 45747), (1794, 43962), (1989, 39652), (2346, 33618), (2586, 30498), (2652, 29739), (2691, 29308), (3519, 22412), (3588, 21981), (3879, 20332), (3978, 19826), (4692, 16809), (5083, 15516), (5172, 15249), (5382, 14654), (5603, 14076), (7038, 11206), (7327, 10764), (7758, 10166), (7956, 9913)]