31338476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 61344864

約数和(自身を除く): 30006388

約数列:

[1, 2, 4, 13, 26, 52, 53, 83, 106, 137, 166, 212, 274, 332, 548, 689, 1079, 1378, 1781, 2158, 2756, 3562, 4316, 4399, 7124, 7261, 8798, 11371, 14522, 17596, 22742, 29044, 45484, 57187, 94393, 114374, 147823, 188786, 228748, 295646, 377572, 591292, 602663, 1205326, 2410652, 7834619, 15669238, 31338476]

約数ペア:

[(1, 31338476), (2, 15669238), (4, 7834619), (13, 2410652), (26, 1205326), (52, 602663), (53, 591292), (83, 377572), (106, 295646), (137, 228748), (166, 188786), (212, 147823), (274, 114374), (332, 94393), (548, 57187), (689, 45484), (1079, 29044), (1378, 22742), (1781, 17596), (2158, 14522), (2756, 11371), (3562, 8798), (4316, 7261), (4399, 7124)]