28980536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 32709064

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 89, 101, 104, 124, 178, 202, 248, 356, 403, 404, 712, 806, 808, 1157, 1313, 1612, 2314, 2626, 2759, 3131, 3224, 4628, 5252, 5518, 6262, 8989, 9256, 10504, 11036, 12524, 17978, 22072, 25048, 35867, 35956, 40703, 71734, 71912, 81406, 116857, 143468, 162812, 233714, 278659, 286936, 325624, 467428, 557318, 934856, 1114636, 2229272, 3622567, 7245134, 14490268, 28980536]

約数ペア:

[(1, 28980536), (2, 14490268), (4, 7245134), (8, 3622567), (13, 2229272), (26, 1114636), (31, 934856), (52, 557318), (62, 467428), (89, 325624), (101, 286936), (104, 278659), (124, 233714), (178, 162812), (202, 143468), (248, 116857), (356, 81406), (403, 71912), (404, 71734), (712, 40703), (806, 35956), (808, 35867), (1157, 25048), (1313, 22072), (1612, 17978), (2314, 12524), (2626, 11036), (2759, 10504), (3131, 9256), (3224, 8989), (4628, 6262), (5252, 5518)]