31921370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 65155104

約数和(自身を除く): 33233734

約数列:

[1, 2, 5, 10, 13, 26, 41, 53, 65, 82, 106, 113, 130, 205, 226, 265, 410, 530, 533, 565, 689, 1066, 1130, 1378, 1469, 2173, 2665, 2938, 3445, 4346, 4633, 5330, 5989, 6890, 7345, 9266, 10865, 11978, 14690, 21730, 23165, 28249, 29945, 46330, 56498, 59890, 60229, 77857, 120458, 141245, 155714, 245549, 282490, 301145, 389285, 491098, 602290, 778570, 1227745, 2455490, 3192137, 6384274, 15960685, 31921370]

約数ペア:

[(1, 31921370), (2, 15960685), (5, 6384274), (10, 3192137), (13, 2455490), (26, 1227745), (41, 778570), (53, 602290), (65, 491098), (82, 389285), (106, 301145), (113, 282490), (130, 245549), (205, 155714), (226, 141245), (265, 120458), (410, 77857), (530, 60229), (533, 59890), (565, 56498), (689, 46330), (1066, 29945), (1130, 28249), (1378, 23165), (1469, 21730), (2173, 14690), (2665, 11978), (2938, 10865), (3445, 9266), (4346, 7345), (4633, 6890), (5330, 5989)]