31185308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 72616320

約数和(自身を除く): 41431012

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 73, 76, 77, 133, 146, 154, 209, 266, 292, 308, 418, 511, 532, 803, 836, 1022, 1387, 1463, 1606, 2044, 2774, 2926, 3212, 5329, 5548, 5621, 5852, 9709, 10658, 11242, 15257, 19418, 21316, 22484, 30514, 37303, 38836, 58619, 61028, 74606, 101251, 106799, 117238, 149212, 202502, 213598, 234476, 405004, 410333, 427196, 708757, 820666, 1113761, 1417514, 1641332, 2227522, 2835028, 4455044, 7796327, 15592654, 31185308]

約数ペア:

[(1, 31185308), (2, 15592654), (4, 7796327), (7, 4455044), (11, 2835028), (14, 2227522), (19, 1641332), (22, 1417514), (28, 1113761), (38, 820666), (44, 708757), (73, 427196), (76, 410333), (77, 405004), (133, 234476), (146, 213598), (154, 202502), (209, 149212), (266, 117238), (292, 106799), (308, 101251), (418, 74606), (511, 61028), (532, 58619), (803, 38836), (836, 37303), (1022, 30514), (1387, 22484), (1463, 21316), (1606, 19418), (2044, 15257), (2774, 11242), (2926, 10658), (3212, 9709), (5329, 5852), (5548, 5621)]