67378465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 108564480

約数和(自身を除く): 41186015

約数列:

[1, 5, 7, 11, 19, 35, 55, 61, 77, 95, 133, 151, 209, 305, 385, 427, 665, 671, 755, 1045, 1057, 1159, 1463, 1661, 2135, 2869, 3355, 4697, 5285, 5795, 7315, 8113, 8305, 9211, 11627, 12749, 14345, 20083, 23485, 31559, 40565, 46055, 58135, 63745, 64477, 89243, 100415, 101321, 157795, 175009, 220913, 322385, 446215, 506605, 709247, 875045, 1104565, 1225063, 1925099, 3546235, 6125315, 9625495, 13475693, 67378465]

約数ペア:

[(1, 67378465), (5, 13475693), (7, 9625495), (11, 6125315), (19, 3546235), (35, 1925099), (55, 1225063), (61, 1104565), (77, 875045), (95, 709247), (133, 506605), (151, 446215), (209, 322385), (305, 220913), (385, 175009), (427, 157795), (665, 101321), (671, 100415), (755, 89243), (1045, 64477), (1057, 63745), (1159, 58135), (1463, 46055), (1661, 40565), (2135, 31559), (2869, 23485), (3355, 20083), (4697, 14345), (5285, 12749), (5795, 11627), (7315, 9211), (8113, 8305)]