87841910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 178827264

約数和(自身を除く): 90985354

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 71, 130, 142, 155, 307, 310, 355, 403, 614, 710, 806, 923, 1535, 1846, 2015, 2201, 3070, 3991, 4030, 4402, 4615, 7982, 9230, 9517, 11005, 19034, 19955, 21797, 22010, 28613, 39910, 43594, 47585, 57226, 95170, 108985, 123721, 143065, 217970, 247442, 283361, 286130, 566722, 618605, 675707, 1237210, 1351414, 1416805, 2833610, 3378535, 6757070, 8784191, 17568382, 43920955, 87841910]

約数ペア:

[(1, 87841910), (2, 43920955), (5, 17568382), (10, 8784191), (13, 6757070), (26, 3378535), (31, 2833610), (62, 1416805), (65, 1351414), (71, 1237210), (130, 675707), (142, 618605), (155, 566722), (307, 286130), (310, 283361), (355, 247442), (403, 217970), (614, 143065), (710, 123721), (806, 108985), (923, 95170), (1535, 57226), (1846, 47585), (2015, 43594), (2201, 39910), (3070, 28613), (3991, 22010), (4030, 21797), (4402, 19955), (4615, 19034), (7982, 11005), (9230, 9517)]