421248678

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{383}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 919683072

約数和(自身を除く): 498434394

約数列:

[1, 2, 3, 6, 17, 34, 41, 51, 82, 102, 123, 246, 263, 383, 526, 697, 766, 789, 1149, 1394, 1578, 2091, 2298, 4182, 4471, 6511, 8942, 10783, 13022, 13413, 15703, 19533, 21566, 26826, 31406, 32349, 39066, 47109, 64698, 94218, 100729, 183311, 201458, 266951, 302187, 366622, 533902, 549933, 604374, 800853, 1099866, 1601706, 1712393, 3424786, 4129889, 5137179, 8259778, 10274358, 12389667, 24779334, 70208113, 140416226, 210624339, 421248678]

約数ペア:

[(1, 421248678), (2, 210624339), (3, 140416226), (6, 70208113), (17, 24779334), (34, 12389667), (41, 10274358), (51, 8259778), (82, 5137179), (102, 4129889), (123, 3424786), (246, 1712393), (263, 1601706), (383, 1099866), (526, 800853), (697, 604374), (766, 549933), (789, 533902), (1149, 366622), (1394, 302187), (1578, 266951), (2091, 201458), (2298, 183311), (4182, 100729), (4471, 94218), (6511, 64698), (8942, 47109), (10783, 39066), (13022, 32349), (13413, 31406), (15703, 26826), (19533, 21566)]