205989368

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{1009}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 421412400

約数和(自身を除く): 215423032

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 169, 302, 338, 604, 676, 1009, 1208, 1352, 1963, 2018, 3926, 4036, 7852, 8072, 13117, 15704, 25519, 26234, 51038, 52468, 102076, 104936, 152359, 170521, 204152, 304718, 341042, 609436, 682084, 1218872, 1364168, 1980667, 3961334, 7922668, 15845336, 25748671, 51497342, 102994684, 205989368]

約数ペア:

[(1, 205989368), (2, 102994684), (4, 51497342), (8, 25748671), (13, 15845336), (26, 7922668), (52, 3961334), (104, 1980667), (151, 1364168), (169, 1218872), (302, 682084), (338, 609436), (604, 341042), (676, 304718), (1009, 204152), (1208, 170521), (1352, 152359), (1963, 104936), (2018, 102076), (3926, 52468), (4036, 51038), (7852, 26234), (8072, 25519), (13117, 15704)]