71895278

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1281

約数の個数: 64

約数和(自身を含む): 148055040

約数和(自身を除く): 76159762

約数列:

[1, 2, 7, 13, 14, 17, 19, 26, 34, 38, 91, 119, 133, 182, 221, 238, 247, 266, 323, 442, 494, 646, 1223, 1547, 1729, 2261, 2446, 3094, 3458, 4199, 4522, 8398, 8561, 15899, 17122, 20791, 23237, 29393, 31798, 41582, 46474, 58786, 111293, 145537, 162659, 222586, 270283, 291074, 302081, 325318, 395029, 540566, 604162, 790058, 1891981, 2114567, 2765203, 3783962, 4229134, 5135377, 5530406, 10270754, 35947639, 71895278]

約数ペア:

[(1, 71895278), (2, 35947639), (7, 10270754), (13, 5530406), (14, 5135377), (17, 4229134), (19, 3783962), (26, 2765203), (34, 2114567), (38, 1891981), (91, 790058), (119, 604162), (133, 540566), (182, 395029), (221, 325318), (238, 302081), (247, 291074), (266, 270283), (323, 222586), (442, 162659), (494, 145537), (646, 111293), (1223, 58786), (1547, 46474), (1729, 41582), (2261, 31798), (2446, 29393), (3094, 23237), (3458, 20791), (4199, 17122), (4522, 15899), (8398, 8561)]