815956990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{701}}^1$

素因数の和:933

約数の個数: 64

約数和(自身を含む): 1604873088

約数和(自身を除く): 788916098

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 167, 170, 205, 334, 410, 697, 701, 835, 1394, 1402, 1670, 2839, 3485, 3505, 5678, 6847, 6970, 7010, 11917, 13694, 14195, 23834, 28390, 28741, 34235, 57482, 59585, 68470, 116399, 117067, 119170, 143705, 232798, 234134, 287410, 488597, 581995, 585335, 977194, 1163990, 1170670, 1990139, 2442985, 3980278, 4799747, 4885970, 9599494, 9950695, 19901390, 23998735, 47997470, 81595699, 163191398, 407978495, 815956990]

約数ペア:

[(1, 815956990), (2, 407978495), (5, 163191398), (10, 81595699), (17, 47997470), (34, 23998735), (41, 19901390), (82, 9950695), (85, 9599494), (167, 4885970), (170, 4799747), (205, 3980278), (334, 2442985), (410, 1990139), (697, 1170670), (701, 1163990), (835, 977194), (1394, 585335), (1402, 581995), (1670, 488597), (2839, 287410), (3485, 234134), (3505, 232798), (5678, 143705), (6847, 119170), (6970, 117067), (7010, 116399), (11917, 68470), (13694, 59585), (14195, 57482), (23834, 34235), (28390, 28741)]