28418988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2719}}^1$

素因数の和:2806

約数の個数: 48

約数和(自身を含む): 72504320

約数和(自身を除く): 44085332

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 201, 268, 402, 804, 871, 1742, 2613, 2719, 3484, 5226, 5438, 8157, 10452, 10876, 16314, 32628, 35347, 70694, 106041, 141388, 182173, 212082, 364346, 424164, 546519, 728692, 1093038, 2186076, 2368249, 4736498, 7104747, 9472996, 14209494, 28418988]

約数ペア:

[(1, 28418988), (2, 14209494), (3, 9472996), (4, 7104747), (6, 4736498), (12, 2368249), (13, 2186076), (26, 1093038), (39, 728692), (52, 546519), (67, 424164), (78, 364346), (134, 212082), (156, 182173), (201, 141388), (268, 106041), (402, 70694), (804, 35347), (871, 32628), (1742, 16314), (2613, 10876), (2719, 10452), (3484, 8157), (5226, 5438)]