816505924

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 1643369280

約数和(自身を除く): 826863356

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 151, 169, 247, 302, 338, 421, 494, 604, 676, 842, 988, 1684, 1963, 2869, 3211, 3926, 5473, 5738, 6422, 7852, 7999, 10946, 11476, 12844, 15998, 21892, 25519, 31996, 37297, 51038, 63571, 71149, 74594, 102076, 103987, 127142, 142298, 149188, 207974, 254284, 284596, 415948, 484861, 826423, 969722, 1207849, 1351831, 1652846, 1939444, 2415698, 2703662, 3305692, 4831396, 5407324, 10743499, 15702037, 21486998, 31404074, 42973996, 62808148, 204126481, 408252962, 816505924]

約数ペア:

[(1, 816505924), (2, 408252962), (4, 204126481), (13, 62808148), (19, 42973996), (26, 31404074), (38, 21486998), (52, 15702037), (76, 10743499), (151, 5407324), (169, 4831396), (247, 3305692), (302, 2703662), (338, 2415698), (421, 1939444), (494, 1652846), (604, 1351831), (676, 1207849), (842, 969722), (988, 826423), (1684, 484861), (1963, 415948), (2869, 284596), (3211, 254284), (3926, 207974), (5473, 149188), (5738, 142298), (6422, 127142), (7852, 103987), (7999, 102076), (10946, 74594), (11476, 71149), (12844, 63571), (15998, 51038), (21892, 37297), (25519, 31996)]