509504996

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127249}}^1$

素因数の和:127284

約数の個数: 48

約数和(自身を含む): 1197168000

約数和(自身を除く): 687663004

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 127249, 254498, 508996, 890743, 1399739, 1654237, 1781486, 2799478, 3308474, 3562972, 5598956, 6616948, 9798173, 11579659, 18196607, 19596346, 23159318, 36393214, 39192692, 46318636, 72786428, 127376249, 254752498, 509504996]

約数ペア:

[(1, 509504996), (2, 254752498), (4, 127376249), (7, 72786428), (11, 46318636), (13, 39192692), (14, 36393214), (22, 23159318), (26, 19596346), (28, 18196607), (44, 11579659), (52, 9798173), (77, 6616948), (91, 5598956), (143, 3562972), (154, 3308474), (182, 2799478), (286, 1781486), (308, 1654237), (364, 1399739), (572, 890743), (1001, 508996), (2002, 254498), (4004, 127249)]