278796392

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3917}}^1$

素因数の和:4002

約数の個数: 64

約数和(自身を含む): 631895040

約数和(自身を除く): 353098648

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 41, 56, 62, 82, 124, 164, 217, 248, 287, 328, 434, 574, 868, 1148, 1271, 1736, 2296, 2542, 3917, 5084, 7834, 8897, 10168, 15668, 17794, 27419, 31336, 35588, 54838, 71176, 109676, 121427, 160597, 219352, 242854, 321194, 485708, 642388, 849989, 971416, 1124179, 1284776, 1699978, 2248358, 3399956, 4496716, 4978507, 6799912, 8993432, 9957014, 19914028, 34849549, 39828056, 69699098, 139398196, 278796392]

約数ペア:

[(1, 278796392), (2, 139398196), (4, 69699098), (7, 39828056), (8, 34849549), (14, 19914028), (28, 9957014), (31, 8993432), (41, 6799912), (56, 4978507), (62, 4496716), (82, 3399956), (124, 2248358), (164, 1699978), (217, 1284776), (248, 1124179), (287, 971416), (328, 849989), (434, 642388), (574, 485708), (868, 321194), (1148, 242854), (1271, 219352), (1736, 160597), (2296, 121427), (2542, 109676), (3917, 71176), (5084, 54838), (7834, 35588), (8897, 31336), (10168, 27419), (15668, 17794)]