81917208

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 235450800

約数和(自身を除く): 153533592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 233, 257, 342, 456, 466, 514, 684, 699, 771, 932, 1028, 1368, 1398, 1542, 1864, 2056, 2097, 2313, 2796, 3084, 4194, 4427, 4626, 4883, 5592, 6168, 8388, 8854, 9252, 9766, 13281, 14649, 16776, 17708, 18504, 19532, 26562, 29298, 35416, 39064, 39843, 43947, 53124, 58596, 59881, 79686, 87894, 106248, 117192, 119762, 159372, 175788, 179643, 239524, 318744, 351576, 359286, 479048, 538929, 718572, 1077858, 1137739, 1437144, 2155716, 2275478, 3413217, 4311432, 4550956, 6826434, 9101912, 10239651, 13652868, 20479302, 27305736, 40958604, 81917208]

約数ペア:

[(1, 81917208), (2, 40958604), (3, 27305736), (4, 20479302), (6, 13652868), (8, 10239651), (9, 9101912), (12, 6826434), (18, 4550956), (19, 4311432), (24, 3413217), (36, 2275478), (38, 2155716), (57, 1437144), (72, 1137739), (76, 1077858), (114, 718572), (152, 538929), (171, 479048), (228, 359286), (233, 351576), (257, 318744), (342, 239524), (456, 179643), (466, 175788), (514, 159372), (684, 119762), (699, 117192), (771, 106248), (932, 87894), (1028, 79686), (1368, 59881), (1398, 58596), (1542, 53124), (1864, 43947), (2056, 39843), (2097, 39064), (2313, 35416), (2796, 29298), (3084, 26562), (4194, 19532), (4427, 18504), (4626, 17708), (4883, 16776), (5592, 14649), (6168, 13281), (8388, 9766), (8854, 9252)]