1288918384

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1075

約数の個数: 80

約数和(自身を含む): 2781210880

約数和(自身を除く): 1492292496

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 169, 208, 296, 338, 481, 592, 676, 962, 991, 1352, 1924, 1982, 2197, 2704, 3848, 3964, 4394, 6253, 7696, 7928, 8788, 12506, 12883, 15856, 17576, 25012, 25766, 35152, 36667, 50024, 51532, 73334, 81289, 100048, 103064, 146668, 162578, 167479, 206128, 293336, 325156, 334958, 476671, 586672, 650312, 669916, 953342, 1300624, 1339832, 1906684, 2177227, 2679664, 3813368, 4354454, 6196723, 7626736, 8708908, 12393446, 17417816, 24786892, 34835632, 49573784, 80557399, 99147568, 161114798, 322229596, 644459192, 1288918384]

約数ペア:

[(1, 1288918384), (2, 644459192), (4, 322229596), (8, 161114798), (13, 99147568), (16, 80557399), (26, 49573784), (37, 34835632), (52, 24786892), (74, 17417816), (104, 12393446), (148, 8708908), (169, 7626736), (208, 6196723), (296, 4354454), (338, 3813368), (481, 2679664), (592, 2177227), (676, 1906684), (962, 1339832), (991, 1300624), (1352, 953342), (1924, 669916), (1982, 650312), (2197, 586672), (2704, 476671), (3848, 334958), (3964, 325156), (4394, 293336), (6253, 206128), (7696, 167479), (7928, 162578), (8788, 146668), (12506, 103064), (12883, 100048), (15856, 81289), (17576, 73334), (25012, 51532), (25766, 50024), (35152, 36667)]