28236440908

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{2381}}^1$

素因数の和:2795

約数の個数: 72

約数和(自身を含む): 54704459376

約数和(自身を除く): 26468018468

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 331, 338, 662, 676, 689, 1324, 1378, 2381, 2756, 4303, 4762, 8606, 8957, 9524, 17212, 17543, 17914, 30953, 35086, 35828, 55939, 61906, 70172, 111878, 123812, 126193, 223756, 228059, 252386, 402389, 456118, 504772, 788111, 804778, 912236, 1576222, 1609556, 1640509, 2964767, 3152444, 3281018, 5929534, 6562036, 10245443, 11859068, 20490886, 21326617, 40981772, 41769883, 42653234, 83539766, 85306468, 133190759, 167079532, 266381518, 532763036, 543008479, 1086016958, 2172033916, 7059110227, 14118220454, 28236440908]

約数ペア:

[(1, 28236440908), (2, 14118220454), (4, 7059110227), (13, 2172033916), (26, 1086016958), (52, 543008479), (53, 532763036), (106, 266381518), (169, 167079532), (212, 133190759), (331, 85306468), (338, 83539766), (662, 42653234), (676, 41769883), (689, 40981772), (1324, 21326617), (1378, 20490886), (2381, 11859068), (2756, 10245443), (4303, 6562036), (4762, 5929534), (8606, 3281018), (8957, 3152444), (9524, 2964767), (17212, 1640509), (17543, 1609556), (17914, 1576222), (30953, 912236), (35086, 804778), (35828, 788111), (55939, 504772), (61906, 456118), (70172, 402389), (111878, 252386), (123812, 228059), (126193, 223756)]