947266775

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3499}}^1$

素因数の和:3553

約数の個数: 72

約数和(自身を含む): 1558494000

約数和(自身を除く): 611227225

約数列:

[1, 5, 7, 13, 17, 25, 35, 49, 65, 85, 91, 119, 175, 221, 245, 325, 425, 455, 595, 637, 833, 1105, 1225, 1547, 2275, 2975, 3185, 3499, 4165, 5525, 7735, 10829, 15925, 17495, 20825, 24493, 38675, 45487, 54145, 59483, 87475, 122465, 171451, 227435, 270725, 297415, 318409, 416381, 612325, 773279, 857255, 1137175, 1487075, 1592045, 2081905, 2228863, 2914667, 3866395, 4286275, 5412953, 7960225, 10409525, 11144315, 14573335, 19331975, 27064765, 37890671, 55721575, 72866675, 135323825, 189453355, 947266775]

約数ペア:

[(1, 947266775), (5, 189453355), (7, 135323825), (13, 72866675), (17, 55721575), (25, 37890671), (35, 27064765), (49, 19331975), (65, 14573335), (85, 11144315), (91, 10409525), (119, 7960225), (175, 5412953), (221, 4286275), (245, 3866395), (325, 2914667), (425, 2228863), (455, 2081905), (595, 1592045), (637, 1487075), (833, 1137175), (1105, 857255), (1225, 773279), (1547, 612325), (2275, 416381), (2975, 318409), (3185, 297415), (3499, 270725), (4165, 227435), (5525, 171451), (7735, 122465), (10829, 87475), (15925, 59483), (17495, 54145), (20825, 45487), (24493, 38675)]