215770542

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:629

約数の個数: 64

約数和(自身を含む): 478094400

約数和(自身を除く): 262323858

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 101, 122, 183, 202, 303, 366, 449, 606, 793, 898, 1313, 1347, 1586, 2379, 2626, 2694, 3939, 4758, 5837, 6161, 7878, 11674, 12322, 17511, 18483, 27389, 35022, 36966, 45349, 54778, 80093, 82167, 90698, 136047, 160186, 164334, 240279, 272094, 356057, 480558, 589537, 712114, 1068171, 1179074, 1768611, 2136342, 2766289, 3537222, 5532578, 8298867, 16597734, 35961757, 71923514, 107885271, 215770542]

約数ペア:

[(1, 215770542), (2, 107885271), (3, 71923514), (6, 35961757), (13, 16597734), (26, 8298867), (39, 5532578), (61, 3537222), (78, 2766289), (101, 2136342), (122, 1768611), (183, 1179074), (202, 1068171), (303, 712114), (366, 589537), (449, 480558), (606, 356057), (793, 272094), (898, 240279), (1313, 164334), (1347, 160186), (1586, 136047), (2379, 90698), (2626, 82167), (2694, 80093), (3939, 54778), (4758, 45349), (5837, 36966), (6161, 35022), (7878, 27389), (11674, 18483), (12322, 17511)]