820353404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{547}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 1567297536

約数和(自身を除く): 746944132

約数列:

[1, 2, 4, 13, 26, 52, 151, 191, 302, 382, 547, 604, 764, 1094, 1963, 2188, 2483, 3926, 4966, 7111, 7852, 9932, 14222, 28444, 28841, 57682, 82597, 104477, 115364, 165194, 208954, 330388, 374933, 417908, 749866, 1073761, 1358201, 1499732, 2147522, 2716402, 4295044, 5432804, 15776027, 31552054, 63104108, 205088351, 410176702, 820353404]

約数ペア:

[(1, 820353404), (2, 410176702), (4, 205088351), (13, 63104108), (26, 31552054), (52, 15776027), (151, 5432804), (191, 4295044), (302, 2716402), (382, 2147522), (547, 1499732), (604, 1358201), (764, 1073761), (1094, 749866), (1963, 417908), (2188, 374933), (2483, 330388), (3926, 208954), (4966, 165194), (7111, 115364), (7852, 104477), (9932, 82597), (14222, 57682), (28444, 28841)]