28587156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 76204800

約数和(自身を除く): 47617644

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 71, 78, 87, 89, 116, 142, 156, 174, 178, 213, 267, 284, 348, 356, 377, 426, 534, 754, 852, 923, 1068, 1131, 1157, 1508, 1846, 2059, 2262, 2314, 2581, 2769, 3471, 3692, 4118, 4524, 4628, 5162, 5538, 6177, 6319, 6942, 7743, 8236, 10324, 11076, 12354, 12638, 13884, 15486, 18957, 24708, 25276, 26767, 30972, 33553, 37914, 53534, 67106, 75828, 80301, 82147, 100659, 107068, 134212, 160602, 164294, 183251, 201318, 246441, 321204, 328588, 366502, 402636, 492882, 549753, 733004, 985764, 1099506, 2199012, 2382263, 4764526, 7146789, 9529052, 14293578, 28587156]

約数ペア:

[(1, 28587156), (2, 14293578), (3, 9529052), (4, 7146789), (6, 4764526), (12, 2382263), (13, 2199012), (26, 1099506), (29, 985764), (39, 733004), (52, 549753), (58, 492882), (71, 402636), (78, 366502), (87, 328588), (89, 321204), (116, 246441), (142, 201318), (156, 183251), (174, 164294), (178, 160602), (213, 134212), (267, 107068), (284, 100659), (348, 82147), (356, 80301), (377, 75828), (426, 67106), (534, 53534), (754, 37914), (852, 33553), (923, 30972), (1068, 26767), (1131, 25276), (1157, 24708), (1508, 18957), (1846, 15486), (2059, 13884), (2262, 12638), (2314, 12354), (2581, 11076), (2769, 10324), (3471, 8236), (3692, 7743), (4118, 6942), (4524, 6319), (4628, 6177), (5162, 5538)]