1398889778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1931}}^1$

素因数の和:2123

約数の個数: 64

約数和(自身を含む): 2629065600

約数和(自身を除く): 1230175822

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 149, 187, 221, 286, 298, 374, 442, 1639, 1931, 1937, 2431, 2533, 3278, 3862, 3874, 4862, 5066, 21241, 21307, 25103, 27863, 32827, 32929, 42482, 42614, 50206, 55726, 65654, 65858, 276133, 287719, 361097, 362219, 426751, 552266, 575438, 722194, 724438, 853502, 3164909, 3740347, 4694261, 4891223, 6329818, 7480694, 9388522, 9782446, 41143817, 53803453, 63585899, 82287634, 107606906, 127171798, 699444889, 1398889778]

約数ペア:

[(1, 1398889778), (2, 699444889), (11, 127171798), (13, 107606906), (17, 82287634), (22, 63585899), (26, 53803453), (34, 41143817), (143, 9782446), (149, 9388522), (187, 7480694), (221, 6329818), (286, 4891223), (298, 4694261), (374, 3740347), (442, 3164909), (1639, 853502), (1931, 724438), (1937, 722194), (2431, 575438), (2533, 552266), (3278, 426751), (3862, 362219), (3874, 361097), (4862, 287719), (5066, 276133), (21241, 65858), (21307, 65654), (25103, 55726), (27863, 50206), (32827, 42614), (32929, 42482)]