83571728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 183381120

約数和(自身を除く): 99809392

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 103, 136, 152, 157, 206, 272, 304, 314, 323, 412, 628, 646, 824, 1256, 1292, 1648, 1751, 1957, 2512, 2584, 2669, 2983, 3502, 3914, 5168, 5338, 5966, 7004, 7828, 10676, 11932, 14008, 15656, 16171, 21352, 23864, 28016, 31312, 32342, 33269, 42704, 47728, 50711, 64684, 66538, 101422, 129368, 133076, 202844, 258736, 266152, 274907, 307249, 405688, 532304, 549814, 614498, 811376, 1099628, 1228996, 2199256, 2457992, 4398512, 4915984, 5223233, 10446466, 20892932, 41785864, 83571728]

約数ペア:

[(1, 83571728), (2, 41785864), (4, 20892932), (8, 10446466), (16, 5223233), (17, 4915984), (19, 4398512), (34, 2457992), (38, 2199256), (68, 1228996), (76, 1099628), (103, 811376), (136, 614498), (152, 549814), (157, 532304), (206, 405688), (272, 307249), (304, 274907), (314, 266152), (323, 258736), (412, 202844), (628, 133076), (646, 129368), (824, 101422), (1256, 66538), (1292, 64684), (1648, 50711), (1751, 47728), (1957, 42704), (2512, 33269), (2584, 32342), (2669, 31312), (2983, 28016), (3502, 23864), (3914, 21352), (5168, 16171), (5338, 15656), (5966, 14008), (7004, 11932), (7828, 10676)]