721801548

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67057}}^1$

素因数の和:67103

約数の個数: 72

約数和(自身を含む): 2050365408

約数和(自身を除く): 1328563860

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 2691, 3588, 5382, 10764, 67057, 134114, 201171, 268228, 402342, 603513, 804684, 871741, 1207026, 1542311, 1743482, 2414052, 2615223, 3084622, 3486964, 4626933, 5230446, 6169244, 7845669, 9253866, 10460892, 13880799, 15691338, 18507732, 20050043, 27761598, 31382676, 40100086, 55523196, 60150129, 80200172, 120300258, 180450387, 240600516, 360900774, 721801548]

約数ペア:

[(1, 721801548), (2, 360900774), (3, 240600516), (4, 180450387), (6, 120300258), (9, 80200172), (12, 60150129), (13, 55523196), (18, 40100086), (23, 31382676), (26, 27761598), (36, 20050043), (39, 18507732), (46, 15691338), (52, 13880799), (69, 10460892), (78, 9253866), (92, 7845669), (117, 6169244), (138, 5230446), (156, 4626933), (207, 3486964), (234, 3084622), (276, 2615223), (299, 2414052), (414, 1743482), (468, 1542311), (598, 1207026), (828, 871741), (897, 804684), (1196, 603513), (1794, 402342), (2691, 268228), (3588, 201171), (5382, 134114), (10764, 67057)]