1678716

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 4861584

約数和(自身を除く): 3182868

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, 211, 221, 234, 306, 422, 442, 468, 612, 633, 663, 844, 884, 1266, 1326, 1899, 1989, 2532, 2652, 2743, 3587, 3798, 3978, 5486, 7174, 7596, 7956, 8229, 10761, 10972, 14348, 16458, 21522, 24687, 32283, 32916, 43044, 46631, 49374, 64566, 93262, 98748, 129132, 139893, 186524, 279786, 419679, 559572, 839358, 1678716]

約数ペア:

[(1, 1678716), (2, 839358), (3, 559572), (4, 419679), (6, 279786), (9, 186524), (12, 139893), (13, 129132), (17, 98748), (18, 93262), (26, 64566), (34, 49374), (36, 46631), (39, 43044), (51, 32916), (52, 32283), (68, 24687), (78, 21522), (102, 16458), (117, 14348), (153, 10972), (156, 10761), (204, 8229), (211, 7956), (221, 7596), (234, 7174), (306, 5486), (422, 3978), (442, 3798), (468, 3587), (612, 2743), (633, 2652), (663, 2532), (844, 1989), (884, 1899), (1266, 1326)]