201720844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 417834368

約数和(自身を除く): 216113524

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 52, 62, 68, 124, 221, 289, 403, 433, 442, 527, 578, 806, 866, 884, 1054, 1156, 1612, 1732, 2108, 3757, 5629, 6851, 7361, 7514, 8959, 11258, 13423, 13702, 14722, 15028, 17918, 22516, 26846, 27404, 29444, 35836, 53692, 95693, 116467, 125137, 174499, 191386, 228191, 232934, 250274, 348998, 382772, 456382, 465868, 500548, 697996, 912764, 1626781, 2966483, 3253562, 3879247, 5932966, 6507124, 7758494, 11865932, 15516988, 50430211, 100860422, 201720844]

約数ペア:

[(1, 201720844), (2, 100860422), (4, 50430211), (13, 15516988), (17, 11865932), (26, 7758494), (31, 6507124), (34, 5932966), (52, 3879247), (62, 3253562), (68, 2966483), (124, 1626781), (221, 912764), (289, 697996), (403, 500548), (433, 465868), (442, 456382), (527, 382772), (578, 348998), (806, 250274), (866, 232934), (884, 228191), (1054, 191386), (1156, 174499), (1612, 125137), (1732, 116467), (2108, 95693), (3757, 53692), (5629, 35836), (6851, 29444), (7361, 27404), (7514, 26846), (8959, 22516), (11258, 17918), (13423, 15028), (13702, 14722)]