31550298

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 72912000

約数和(自身を除く): 41361702

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 61, 78, 114, 122, 183, 247, 349, 366, 494, 698, 741, 793, 1047, 1159, 1482, 1586, 2094, 2318, 2379, 3477, 4537, 4758, 6631, 6954, 9074, 13262, 13611, 15067, 19893, 21289, 27222, 30134, 39786, 42578, 45201, 63867, 86203, 90402, 127734, 172406, 258609, 276757, 404491, 517218, 553514, 808982, 830271, 1213473, 1660542, 2426946, 5258383, 10516766, 15775149, 31550298]

約数ペア:

[(1, 31550298), (2, 15775149), (3, 10516766), (6, 5258383), (13, 2426946), (19, 1660542), (26, 1213473), (38, 830271), (39, 808982), (57, 553514), (61, 517218), (78, 404491), (114, 276757), (122, 258609), (183, 172406), (247, 127734), (349, 90402), (366, 86203), (494, 63867), (698, 45201), (741, 42578), (793, 39786), (1047, 30134), (1159, 27222), (1482, 21289), (1586, 19893), (2094, 15067), (2318, 13611), (2379, 13262), (3477, 9074), (4537, 6954), (4758, 6631)]