28857270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1297

約数の個数: 64

約数和(自身を含む): 75870144

約数和(自身を除く): 47012874

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 305, 366, 390, 610, 793, 915, 1213, 1586, 1830, 2379, 2426, 3639, 3965, 4758, 6065, 7278, 7930, 11895, 12130, 15769, 18195, 23790, 31538, 36390, 47307, 73993, 78845, 94614, 147986, 157690, 221979, 236535, 369965, 443958, 473070, 739930, 961909, 1109895, 1923818, 2219790, 2885727, 4809545, 5771454, 9619090, 14428635, 28857270]

約数ペア:

[(1, 28857270), (2, 14428635), (3, 9619090), (5, 5771454), (6, 4809545), (10, 2885727), (13, 2219790), (15, 1923818), (26, 1109895), (30, 961909), (39, 739930), (61, 473070), (65, 443958), (78, 369965), (122, 236535), (130, 221979), (183, 157690), (195, 147986), (305, 94614), (366, 78845), (390, 73993), (610, 47307), (793, 36390), (915, 31538), (1213, 23790), (1586, 18195), (1830, 15769), (2379, 12130), (2426, 11895), (3639, 7930), (3965, 7278), (4758, 6065)]