28789974

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 65606112

約数和(自身を除く): 36816138

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 197, 207, 353, 394, 414, 591, 706, 1059, 1182, 1773, 2118, 3177, 3546, 4531, 6354, 8119, 9062, 13593, 16238, 24357, 27186, 40779, 48714, 69541, 73071, 81558, 139082, 146142, 208623, 417246, 625869, 1251738, 1599443, 3198886, 4798329, 9596658, 14394987, 28789974]

約数ペア:

[(1, 28789974), (2, 14394987), (3, 9596658), (6, 4798329), (9, 3198886), (18, 1599443), (23, 1251738), (46, 625869), (69, 417246), (138, 208623), (197, 146142), (207, 139082), (353, 81558), (394, 73071), (414, 69541), (591, 48714), (706, 40779), (1059, 27186), (1182, 24357), (1773, 16238), (2118, 13593), (3177, 9062), (3546, 8119), (4531, 6354)]