81416748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 230809600

約数和(自身を除く): 149392852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 139, 228, 266, 278, 367, 399, 417, 532, 556, 734, 798, 834, 973, 1101, 1468, 1596, 1668, 1946, 2202, 2569, 2641, 2919, 3892, 4404, 5138, 5282, 5838, 6973, 7707, 7923, 10276, 10564, 11676, 13946, 15414, 15846, 18487, 20919, 27892, 30828, 31692, 36974, 41838, 48811, 51013, 55461, 73948, 83676, 97622, 102026, 110922, 146433, 153039, 195244, 204052, 221844, 292866, 306078, 357091, 585732, 612156, 714182, 969247, 1071273, 1428364, 1938494, 2142546, 2907741, 3876988, 4285092, 5815482, 6784729, 11630964, 13569458, 20354187, 27138916, 40708374, 81416748]

約数ペア:

[(1, 81416748), (2, 40708374), (3, 27138916), (4, 20354187), (6, 13569458), (7, 11630964), (12, 6784729), (14, 5815482), (19, 4285092), (21, 3876988), (28, 2907741), (38, 2142546), (42, 1938494), (57, 1428364), (76, 1071273), (84, 969247), (114, 714182), (133, 612156), (139, 585732), (228, 357091), (266, 306078), (278, 292866), (367, 221844), (399, 204052), (417, 195244), (532, 153039), (556, 146433), (734, 110922), (798, 102026), (834, 97622), (973, 83676), (1101, 73948), (1468, 55461), (1596, 51013), (1668, 48811), (1946, 41838), (2202, 36974), (2569, 31692), (2641, 30828), (2919, 27892), (3892, 20919), (4404, 18487), (5138, 15846), (5282, 15414), (5838, 13946), (6973, 11676), (7707, 10564), (7923, 10276)]