28116690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:672

約数の個数: 96

約数和(自身を含む): 81160704

約数和(自身を除く): 53044014

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 93, 98, 105, 147, 155, 186, 210, 217, 245, 294, 310, 434, 465, 490, 617, 651, 735, 930, 1085, 1234, 1302, 1470, 1519, 1851, 2170, 3038, 3085, 3255, 3702, 4319, 4557, 6170, 6510, 7595, 8638, 9114, 9255, 12957, 15190, 18510, 19127, 21595, 22785, 25914, 30233, 38254, 43190, 45570, 57381, 60466, 64785, 90699, 95635, 114762, 129570, 133889, 151165, 181398, 191270, 267778, 286905, 302330, 401667, 453495, 573810, 669445, 803334, 906990, 937223, 1338890, 1874446, 2008335, 2811669, 4016670, 4686115, 5623338, 9372230, 14058345, 28116690]

約数ペア:

[(1, 28116690), (2, 14058345), (3, 9372230), (5, 5623338), (6, 4686115), (7, 4016670), (10, 2811669), (14, 2008335), (15, 1874446), (21, 1338890), (30, 937223), (31, 906990), (35, 803334), (42, 669445), (49, 573810), (62, 453495), (70, 401667), (93, 302330), (98, 286905), (105, 267778), (147, 191270), (155, 181398), (186, 151165), (210, 133889), (217, 129570), (245, 114762), (294, 95635), (310, 90699), (434, 64785), (465, 60466), (490, 57381), (617, 45570), (651, 43190), (735, 38254), (930, 30233), (1085, 25914), (1234, 22785), (1302, 21595), (1470, 19127), (1519, 18510), (1851, 15190), (2170, 12957), (3038, 9255), (3085, 9114), (3255, 8638), (3702, 7595), (4319, 6510), (4557, 6170)]