28704390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6691}}^1$

素因数の和:6725

約数の個数: 64

約数和(自身を含む): 80946432

約数和(自身を除く): 52242042

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 6691, 13382, 20073, 33455, 40146, 66910, 73601, 86983, 100365, 147202, 173966, 200730, 220803, 260949, 368005, 434915, 441606, 521898, 736010, 869830, 956813, 1104015, 1304745, 1913626, 2208030, 2609490, 2870439, 4784065, 5740878, 9568130, 14352195, 28704390]

約数ペア:

[(1, 28704390), (2, 14352195), (3, 9568130), (5, 5740878), (6, 4784065), (10, 2870439), (11, 2609490), (13, 2208030), (15, 1913626), (22, 1304745), (26, 1104015), (30, 956813), (33, 869830), (39, 736010), (55, 521898), (65, 441606), (66, 434915), (78, 368005), (110, 260949), (130, 220803), (143, 200730), (165, 173966), (195, 147202), (286, 100365), (330, 86983), (390, 73601), (429, 66910), (715, 40146), (858, 33455), (1430, 20073), (2145, 13382), (4290, 6691)]