291278390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{23099}}^1$

素因数の和:23216

約数の個数: 32

約数和(自身を含む): 570477600

約数和(自身を除く): 279199210

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 2522, 6305, 12610, 23099, 46198, 115495, 230990, 300287, 600574, 1501435, 2240603, 3002870, 4481206, 11203015, 22406030, 29127839, 58255678, 145639195, 291278390]

約数ペア:

[(1, 291278390), (2, 145639195), (5, 58255678), (10, 29127839), (13, 22406030), (26, 11203015), (65, 4481206), (97, 3002870), (130, 2240603), (194, 1501435), (485, 600574), (970, 300287), (1261, 230990), (2522, 115495), (6305, 46198), (12610, 23099)]