81919572

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1097}}^1$

素因数の和:1245

約数の個数: 72

約数和(自身を含む): 224308224

約数和(自身を除く): 142388652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 127, 147, 196, 254, 294, 381, 508, 588, 762, 889, 1097, 1524, 1778, 2194, 2667, 3291, 3556, 4388, 5334, 6223, 6582, 7679, 10668, 12446, 13164, 15358, 18669, 23037, 24892, 30716, 37338, 46074, 53753, 74676, 92148, 107506, 139319, 161259, 215012, 278638, 322518, 417957, 557276, 645036, 835914, 975233, 1671828, 1950466, 2925699, 3900932, 5851398, 6826631, 11702796, 13653262, 20479893, 27306524, 40959786, 81919572]

約数ペア:

[(1, 81919572), (2, 40959786), (3, 27306524), (4, 20479893), (6, 13653262), (7, 11702796), (12, 6826631), (14, 5851398), (21, 3900932), (28, 2925699), (42, 1950466), (49, 1671828), (84, 975233), (98, 835914), (127, 645036), (147, 557276), (196, 417957), (254, 322518), (294, 278638), (381, 215012), (508, 161259), (588, 139319), (762, 107506), (889, 92148), (1097, 74676), (1524, 53753), (1778, 46074), (2194, 37338), (2667, 30716), (3291, 24892), (3556, 23037), (4388, 18669), (5334, 15358), (6223, 13164), (6582, 12446), (7679, 10668)]