28820426425

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{123547}}^1$

素因数の和:123638

約数の個数: 48

約数和(自身を含む): 43140984832

約数和(自身を除く): 14320558407

約数列:

[1, 5, 7, 25, 31, 35, 43, 155, 175, 215, 217, 301, 775, 1075, 1085, 1333, 1505, 5425, 6665, 7525, 9331, 33325, 46655, 123547, 233275, 617735, 864829, 3088675, 3829957, 4324145, 5312521, 19149785, 21620725, 26562605, 26809699, 37187647, 95748925, 132813025, 134048495, 164688151, 185938235, 670242475, 823440755, 929691175, 1152817057, 4117203775, 5764085285, 28820426425]

約数ペア:

[(1, 28820426425), (5, 5764085285), (7, 4117203775), (25, 1152817057), (31, 929691175), (35, 823440755), (43, 670242475), (155, 185938235), (175, 164688151), (215, 134048495), (217, 132813025), (301, 95748925), (775, 37187647), (1075, 26809699), (1085, 26562605), (1333, 21620725), (1505, 19149785), (5425, 5312521), (6665, 4324145), (7525, 3829957), (9331, 3088675), (33325, 864829), (46655, 617735), (123547, 233275)]