128542284

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{787}}^1$

素因数の和:1159

約数の個数: 72

約数和(自身を含む): 351369200

約数和(自身を除く): 222826916

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 349, 468, 698, 787, 1047, 1396, 1574, 2094, 2361, 3141, 3148, 4188, 4537, 4722, 6282, 7083, 9074, 9444, 10231, 12564, 13611, 14166, 18148, 20462, 27222, 28332, 30693, 40833, 40924, 54444, 61386, 81666, 92079, 122772, 163332, 184158, 274663, 368316, 549326, 823989, 1098652, 1647978, 2471967, 3295956, 3570619, 4943934, 7141238, 9887868, 10711857, 14282476, 21423714, 32135571, 42847428, 64271142, 128542284]

約数ペア:

[(1, 128542284), (2, 64271142), (3, 42847428), (4, 32135571), (6, 21423714), (9, 14282476), (12, 10711857), (13, 9887868), (18, 7141238), (26, 4943934), (36, 3570619), (39, 3295956), (52, 2471967), (78, 1647978), (117, 1098652), (156, 823989), (234, 549326), (349, 368316), (468, 274663), (698, 184158), (787, 163332), (1047, 122772), (1396, 92079), (1574, 81666), (2094, 61386), (2361, 54444), (3141, 40924), (3148, 40833), (4188, 30693), (4537, 28332), (4722, 27222), (6282, 20462), (7083, 18148), (9074, 14166), (9444, 13611), (10231, 12564)]