8397870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 22123584

約数和(自身を除く): 13725714

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 305, 353, 366, 390, 610, 706, 793, 915, 1059, 1586, 1765, 1830, 2118, 2379, 3530, 3965, 4589, 4758, 5295, 7930, 9178, 10590, 11895, 13767, 21533, 22945, 23790, 27534, 43066, 45890, 64599, 68835, 107665, 129198, 137670, 215330, 279929, 322995, 559858, 645990, 839787, 1399645, 1679574, 2799290, 4198935, 8397870]

約数ペア:

[(1, 8397870), (2, 4198935), (3, 2799290), (5, 1679574), (6, 1399645), (10, 839787), (13, 645990), (15, 559858), (26, 322995), (30, 279929), (39, 215330), (61, 137670), (65, 129198), (78, 107665), (122, 68835), (130, 64599), (183, 45890), (195, 43066), (305, 27534), (353, 23790), (366, 22945), (390, 21533), (610, 13767), (706, 11895), (793, 10590), (915, 9178), (1059, 7930), (1586, 5295), (1765, 4758), (1830, 4589), (2118, 3965), (2379, 3530)]