311927238

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{1409}}^1$

素因数の和:1682

約数の個数: 72

約数和(自身を含む): 789876360

約数和(自身を除く): 477949122

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 251, 294, 441, 502, 753, 882, 1409, 1506, 1757, 2259, 2818, 3514, 4227, 4518, 5271, 8454, 9863, 10542, 12299, 12681, 15813, 19726, 24598, 25362, 29589, 31626, 36897, 59178, 69041, 73794, 88767, 110691, 138082, 177534, 207123, 221382, 353659, 414246, 621369, 707318, 1060977, 1242738, 2121954, 2475613, 3182931, 4951226, 6365862, 7426839, 14853678, 17329291, 22280517, 34658582, 44561034, 51987873, 103975746, 155963619, 311927238]

約数ペア:

[(1, 311927238), (2, 155963619), (3, 103975746), (6, 51987873), (7, 44561034), (9, 34658582), (14, 22280517), (18, 17329291), (21, 14853678), (42, 7426839), (49, 6365862), (63, 4951226), (98, 3182931), (126, 2475613), (147, 2121954), (251, 1242738), (294, 1060977), (441, 707318), (502, 621369), (753, 414246), (882, 353659), (1409, 221382), (1506, 207123), (1757, 177534), (2259, 138082), (2818, 110691), (3514, 88767), (4227, 73794), (4518, 69041), (5271, 59178), (8454, 36897), (9863, 31626), (10542, 29589), (12299, 25362), (12681, 24598), (15813, 19726)]