71968988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 158884992

約数和(自身を除く): 86916004

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 67, 91, 134, 169, 182, 227, 268, 338, 364, 454, 469, 676, 871, 908, 938, 1183, 1589, 1742, 1876, 2366, 2951, 3178, 3484, 4732, 5902, 6097, 6356, 11323, 11804, 12194, 15209, 20657, 22646, 24388, 30418, 38363, 41314, 45292, 60836, 76726, 79261, 82628, 106463, 153452, 158522, 197717, 212926, 268541, 317044, 395434, 425852, 537082, 790868, 1074164, 1384019, 2570321, 2768038, 5140642, 5536076, 10281284, 17992247, 35984494, 71968988]

約数ペア:

[(1, 71968988), (2, 35984494), (4, 17992247), (7, 10281284), (13, 5536076), (14, 5140642), (26, 2768038), (28, 2570321), (52, 1384019), (67, 1074164), (91, 790868), (134, 537082), (169, 425852), (182, 395434), (227, 317044), (268, 268541), (338, 212926), (364, 197717), (454, 158522), (469, 153452), (676, 106463), (871, 82628), (908, 79261), (938, 76726), (1183, 60836), (1589, 45292), (1742, 41314), (1876, 38363), (2366, 30418), (2951, 24388), (3178, 22646), (3484, 20657), (4732, 15209), (5902, 12194), (6097, 11804), (6356, 11323)]